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EP 4 384 743 A1

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(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 22753861.8 (22) Date of filing: 16.07.2022

(51) International Patent Classification (IPC):  F16L 55/027(2006.01) F16K 47/06(2006.01) B33Y 80/00(2015.01) (52) Cooperative Patent Classification (CPC): F16L 55/02772; F16L 55/02763; B33Y 80/00 (86) International application number: PCT/US2022/037400 (87) International publication number: WO 2023/018520 (16.02.2023 Gazette 2023/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 12.08.2021 US 202117401300 (71) Applicant: Flowserve Pte. Ltd. Singapore 637345 (SG)	(72) Inventors: PARISH, Jeff Spanish Fork, Utah 84660 (US) BARTHOLOMEW, David Payson, Utah 84651 (US) DAVIS, James Mapleton, Utah 84664 (US) GUO, Shanwei Singapore 579953 (SG) ASOKAN, Kaushik Singapore 519961 (SG) (74) Representative: Abraham, Richard et al Maguire Boss 24 East Street St. Ives, Cambridgeshire PE27 5PD St. Ives, Cambridgeshire PE27 5PD (GB)